 | | Journal (article/letter/editorial) | | Pennsylvanian Molas Formation, Paradox Basin, southwestern Colorado, U.S.A. James E. Evans â, Jason M. Reed 1 Department...Green State University, Bowling Green, Ohio 43403, USA Received 13 January 2006; received in revised form...paleokarst features of the underlying Mississippian Leadville Limestone), colluvium facies (loess infiltrated...Agency, 3232 Alum Creek Drive, Columbus, OH 43207, USA. Tel.: +1 614 728 3873. 0037-0738/$ - see front matter...Late Mississippian paleokarst The Mississippian Leadville Limestone is found in the Paradox Basin, San Juan |  | | Journal (article/letter/editorial) | | Carbonate-HostedGold Depositsat TennesseePass,Colorado DAVID W. BEATY, CanyonResourcesCorporation,14142...Winds Minerals, 11407 North Deer Lane, Parker, Colorado 80134 Abstract Numeroussmallmantodepositsoccurin...Colorado.Thesedepositsare hostedin the Mississippian Leadville Dolomite, crop out over 7 km of strike, and averageabout...wasdominantlyvertical,similarto that in the centralpart of the Leadville district.On the westernmarginof the thermalcenter...TennesseePassarea), updip fluid flow was concentratedin the Leadville Dolomite, resultingin few veins and stratigraphicallycontrolled |  | | Report (issue) | | Carbonate-Hosted Sulfide Deposits of the Central Colorado Mineral Belt DAVID W . BEATY, GARY P . LANDIS...LANDIS, AND TOMMY B. THOMPSON, EDITORS Leadville-type ore Sherman-type ore TH E ECON0t-11C GEOLOGY PUBLIS...Geology, 91-A Yale Station, New Haven, CT 06520 Leadville-type ore (top) with rod-textured pyrite in a matrix...paralle l to host-rock bedding. Black Cloud mine, Leadville district. Sherman-type ore (bottom) in paleokarst...Carbonate-hosted sulfide deposits of the central Colorado mine ral belt: Introduction, general discussion |  | | Report (volume) | | Minerals of Colorado: A 100- Year Record By EDWIN B. ECKEL GEOLOGICAL SURVEY BULLETIN 1 1 14 A...knowledge____________________________________ Future of Colorado mineralogy______________________________________...mineral localities and metallic mineral deposits of Colorado ________________________________ In pocket III...mineral localities and metallic mineral deposits of Colorado, has not been included in this reprint. Many of...especially Fischer and others, 1946). MINERALS OF COLORADO: A 100-YEAR RECORD By EDWIN B. EcKEL ABSTRACT |  | | Report (issue) | | District, Eagle County, Colorado GEOLOGICAL SURVEY Study made in cooperation with the Colorado Mining Industrial... Ore Deposits of the Oilman District, Eagle County, Colorado By THOMAS S. LOVERING, OGDEN TWETO, and T...PAPER 1017 Study made in cooperation with the Colorado Mining Industrial Development Board Description...district that is the leading source of zinc in Colorado and an important source of silver, copper, lead...1896Ore deposits of the Oilman District, Eagle County, Colorado. (Geological Survey Professional Paper 1017) |  | | Report (issue) | | graphic nomenclature. .S. Geological Survey Denver, Colorado 80225 TABLE OF CONTENTS Page 1 Abstract Introduction...P.O. Box 25046, Denver Federal Center, Denver, Colorado 80225 ABSTRACT Clay mineral analyses of 37 sized...Gibson Dome No. 1 drill hole, San Juan County, Utah, yield kaolinite, illite, mixed-layer illitedioctahedral...discrete trioctahedral smectite (rare), and talc. Kaolinite is restricted to the paleosol of the Molas Formation...located in sec. 21, T. 30 S., R. 21. E, San Juan County, Utah, on the southeast plunging nose of Gibson |  | | Journal (article/letter/editorial) | | contraryexampleis describedby Burbank from Bonanza, Colorado where a natural barrier to movement of the solutionswas...silicifiedrocks in the Bonanza Mining district of Colorado. These are white or grayish quartz-chalcedony;..."jasper"; white or gray quartz-alunite;quartz-kaolinite; and quartz, kaolinitc, sericite. Teâ˘cture.--In...Hydromica (illite) Zeolites Zoisite & clinozoisite Kaolinite Tellurides Magnesite alterationdeserves comment...Volcanicrocksare extensivelysilicifiedat Bonanza,Colorado, and Tonopah,Nevada. As suggestedabovethe sourceof |  | | Book | | MINES AND MINERALS OF THE GREAT AMERICAN RIFT (COLORADO-NEW MEXICO) Sine â_â< ¢ te om At _SHT 40...MINES AND MINERALS OF THE GREAT AMERICAN RIFT (COLORADO-NEW MEXICO) Richard Walker Holmes and Marrianna...Mines and minerals of the Great American Rift (Colorado-New Mexico). Bibliography: p. Includes index...index. 1. Mines and mineral resourcesâColorado. 2. Mines and mineral resourcesâNew Mexico. I. Kennedy, Marrianna...minerals of the Great American Rift in New Mexico and Colorado. Great American Rift is the name we use for a |  | | Report (issue) | | Part 1. General geology. Part 2. Utah. Part 3. Colorado. 0 Oxidized Zinc Deposits of the United States...gold-bearing oxidized zinc and zinc-lead ores in Colorado, Utah, Nevada, and California______________ 3...deposits in the Eastern and Central States, and in Colorado and Utah_______________ m A-2 7 22 OXIDIZED...and iron are byproducts of the New Jersey and Leadville deposits. Commercial ores commonly contain at...~issouri Texasâ˘-----------------------------------Colorado _________________________________ _ New ~exico |  | | Report (issue) | | Bldg., 2600 corridor, 18th and CSts.,NW. DENVER, Colorado-Federal Bldg., Rm. 169,1961 Stout St. LOS ANGELES...Center, Rm. 1C402,12201 Sunrise Valley Dr. SALT LAKE CITY, Utah-Federal Bldg., Rm. 8105,125 South State...ROLLA, Missouri-1400 Independence Rd. DENVER, Colorado-Map Distribution, Bldg. 810, Federal Center FAIRBANKS...Juan Mountains, Colorado By FREDERICKS. FISHER Gold in the Alma Mining District, Colorado By DANIEL R.... SHAWE Precious Metals in the Leadville Mining District, Colorado By TOMMY B. THOMPSON Part I is Chapter |  | Desborough, G.A., Leinz, R.W., Smith, Kathy, Hageman, P.L., Fey, D.L., Nash, Tom (1999) Acid generation and metal mobility of some metal-mining related wastes in Colorado. Open-File Report Vol. 1999 (99-322) US Geological Survey doi:10.3133/ofr99322 | Report (issue) | | MOBILITY OF SOME METAL- MINING RELATED WASTES IN COLORADO George Desborough1 , Reinhard Leinz1 , Kathy Smith1...imply endorsement by the U.S. Government Denver, Colorado 1999 CONTENTS Page Abstract................... two from near Silverton, Colorado, and two from near Leadville, Colorado were studied in the laboratory...near Silverton, Colorado and the Venir and Sunday No.2 mines near Leadville, Colorado. The two waste piles...above mean sea level; the two waste piles near Leadville occur at elevations between 11,600 and 12,000 |  | | Report (issue) | | Nevada .............................. Leadville district, Colorado ......................................(Red Cliff) district, Colorado ...................... Aspen district, Colorado ..................................................................... Colorado ............................................................................................... Lake Valley district ........................................................................... 40. Colorado ............................................. |  | Collins, Donley S., Cobban, Robert R., Foord, Eugene E., Murphy, Jack A. (1989) Bibliography for update and revision of U.S.G.S. Bulletin 1114, Minerals of Colorado -- a 100 year record, by Edwin B. Eckel, Part A - Paper copy --Bibliography data file disks. Open-File Report Vol. 1989 (89-206) US Geological Survey doi:10.3133/ofr89206a | Report (issue) | | Survey Denver, Colorado Department of Geology, Denver Museum of Natural History Denver, Colorado NOTE FOR...revision of U.S.G.S. Bulletin 1114, Minerals of Colorado A 100 year record, by Edwin B. Eckel By Donley...Prepared in cooperation with Friends of Mineralogy - Colorado Chaptar, and the Denver Museum of Natural History...references dealing with the mineralogy of the state of Colorado. It is part of a more than 10 year effort to update...and revise U.S.G.S. Bulletin 1114, Minerals of Colorado: A 100 year record, by Edwin B. Eckel (1961). |  | | Report (issue) | | 15-Minute Quadrangle, Eagle and Summit Counties, Colorado By OGDEN TWETO and THOMAS S. LOVERING G E 0 L...PAPER 9 56 Prepared in cooperation with the Colorado Mining Industrial Development Board Geology of...Gilman Sandstone .......................... . Leadville Limestone (or Dolomite) ................ . Pre-Belden............ . Pre-Bull Lake glaciations ............................ . Bull Lake Glaciation .... ... ..... . . . . In pocket Index map of west-central Colorado showing geographic setting of the Minturn quadrangle |  | | Report (issue) | | Geochemistry Denver Federal Center, M.S. 973 Denver, Colorado USA 80225-0046 Smith (303) 236-5788 Plumlee (303)...Empirical studies of diverse mine drainages in Colorado: implications for the prediction of mine-drainage...Summitville, Solomon, Wellington, and Dauntless mines, Colorado (Plumlee et al., 1993) Broad spectrum of pH, metal...2H+ + plagioclase H 2O Ca 2+ + AI2Si2O5(OH)4 kaolinite Weathering (from Rose et al., 1979) Jackson's...) Intermediate hydrous micas Montmorillonite Kaolinite (halloysite) Gibbsite (boehmite, etc.) Hematite |  | | Journal (article/letter/editorial) | | quartz, Manhan River mine, Easthampton, Hampshire County, Massachusetts. Marvin Rausch specimen, Jeff Scovil...branch of the Calumet and Hecla mine, Houghton County, Michigan. A. E. Seaman Mineral Museum (Michigan...JulyIAugust: Vanadinite and wulfenite, Old Yuma mine, Pima County, Arizona. Les Presmyk specimen, Jeff Scovil photo...amazonite), Two Point claim, Lake George intrusive center, Teller County, Colorado. Dave Bunk specimen, Jeff... Eagle mine, Gilman County, Colorado. Dave Bunk specimen on loan to the Colorado School of Mines, Jeff |  | | Book | | Geological Sciences, University of Colorado, Boulder, Colorado 80309-250, USA Library of Congress Cataloging-in-Publication...Economic Paleontologists and Mineralogists at Colorado School of Mines. Bibliography: p. Includes index...Paleontologists and Mineralogists. Midyear Meeting. (1985 : Colorado Schiool of Mines) GB599.2.P35 1987 551.447 87-13061...(Springer-Verlag, 175 Fifth Avenue, New York, New York 10010, USA), except for brief excerpts in connection with reviews...Mineralogists on the campus of the Colorado School of Mines in Golden, Colorado. The symposium had its roots |  | | Report (volume) | | 2600 corridor, 18th and C Sts., NW. ⢠DENVER, Colorado--Federal Bldg., Rm. 169, 1961 Stout St. ⢠LOS...Center, Rm. 1C402, 12201 Sunrise Valley Dr. ⢠SALT LAKE CITY, Utah--Federal Bldg., Rm. 8105, 125 South State...ROLLA, Missouri--1400 Independence Rd. ⢠DENVER, Colorado--Map Distribution, Bldg. 810, Federal Center â˘...Geochemistry of the Pitch Uranium Mine Area, Saguache County, Colorado By j. THOMAS NASH Description and interpretation...geochemistry of the Pitch uranium mine area, Saguache County, Colorado. (U.S. Geological Survey bulletin ; 1797) |  | | Report (issue) | | Oxidized Zinc Deposits of the United States Part 3. Colorado By ALLEN V. HEYL GEOLOGICAL SURVEY BULLETIN...deposits and the resources of oxidized zin.c ores in Colorado UNITED STATES¡ GOVERNMENT PRINTING OFFICE, WASHINGTON...19180xidized zinc deposits of the United States. Part 3. Colorado. Washington, U.S. Govt. Print. Off., 1964. vi...Bibliography : p. 88-91. 1. Zinc ores-Colorado. 2. Zinc mines and mining-Colorado. I. Title. (Series) For sale...____________________ -¡-____ Lake County__________________________________________________ Leadville (California) d |  | Kimball, B.A., McKnight, D.M., Wetherbee, G.A., Harnish, R.A. (1992) Mechanisms of iron photoreduction in a metal-rich, acidic stream (St. Kevin Gulch, Colorado, U.S.A.) Chemical Geology, 96 (1) 227-239 doi:10.1016/0009-2541(92)90130-w | Journal (article/letter/editorial) | | a metal-rich, acidic stream (St. Kevin Gulch, Colorado, U.S.A. ) B.A. Kimball, D.M. McKnight, G.A. Wetherbee...Denver Federal Center, Box 25046, Denver, CO 80225, USA (Accepted for publication August 30, 1991 ) ABSTRACT...a metal-rich, acidic stream (St. Kevin Gulch, Colorado, U.S.A. ). In: W.B. Lyons, D.T_ Long, A.L. Herczeg...series of in-stream experiments at St_ Kevin Gulch, Colorado, indicates that a homogeneous, solutionphase reaction...reactions. A major purpose of studies done near Leadville, Colorado, by the U.S. Geological Survey, has been |  | | Journal (article/letter/editorial) | | KokomoMiningDistrict,Colorado CRAIG J.MACH* ANDTOMMY B.THOMPSON **'⢠Department of EarthResources, Colorado StateUniversity...StateUniversity, Fort Collins,Colorado 80523 Abstract The oresof the Kokomo miningdistrict,Colorado, areAg-Pb-Znmassive...bandedandtabulartextures verysimilarto oresat Leadville and Gilman,Colorado. Ore deposition occurred in the generalsequence:...deposits in theColorado mineralbelt,including Leadville andGilman. Introduction differ,however; the Mississippian...LeadvilleDolomiteis the dominant ore host at Leadville and Gilman, whereas thin THEI(OKOMO miningdistrictislocatedin |  | | Report (volume) | | Massive Wilderness, Lake County, Colorado U.S. GEOLOGICAL SURVEY BULLETIN 1636. ~ COLORADO Mineral Resource...Potential of Mount Massive Wilderness, Lake County, Colorado By R.E. VAN LOENEN, G.K. LEE, and D.L. CAMPBELL...potential of Mount Massive Wilderness, Lake County, Colorado I by R.E. Van Loenen ... [et al.]. p. em...: I 19.3: 1636 1. Mines and mineral resources-Colorado-Mount Massive Wilderness. 2. Mount Massive Wilderness...Wilderness, San Isabel National Forest, Lake County, Colorado. The area was established as a wilderness |  | | Journal (issue) | | clay that typically contains three minerals: kaolinite, mica and quartz. The SRM consists of 60 grams...finely powdered obsidian rock obtained from Clear Lake in Oregon. It is used to validate the methods and...abandoned mine sites in the mountains of central Colorado. A unit of SRM 2780a consists of approximately...6 (Right) - Sheet Copper â Flambeau Mine (Rusk County, WI) Figure 2âDr. Weisâs Personal Memorabilia...Figure 7âManganoan Calcite â Montreal Mine (Iron County, WI). Figure 3 (left) - âWonderful World of Agatesâ |  | | Journal (article/letter/editorial) | | mine, Colorado; Tom Rosemeyer histori cal photo. May/June: Barite on calcite, Stoneham, Colorado; Brian...Keweenawan Basalt, South Range Quarry, Douglas County, Wisconsin, W. S. Cordua, 412-415 Anatase, New...Hampshire, 303 Anglesite, Colorado, 132 Anhydrite, Colorado, 143 Ankerite, Colorado, 132, 143 Apatite, New...Hampshire, 304 Augite, Wisconsin, 414 Barite: Colorado, 133, 143, 200-222; New Hampshire, 290, 334;...Juniors Book reviews, see Media Reviews Bornite, Colorado, 143 Bothner, W. A., Fossils of New Hamp shire: |  | | Report (issue) | | X-ray Powder Pattern: Sterling Hill, New Jersey, USA; nearly indistinguishable and jianshuiite. 6.96 (100)...[100.0] 100.00 (1) Sterling Hill, New Jersey, USA; average of two analyses. (2) Do.; by electron microprobe...base- metal deposits. Association: Cryptomelane, kaolinite, quartz. manganite, hetaerolite, birnessite,... todorokite, woodruffite, Distribution: In the USA, at Sterling Hill, Ogdensburg, and Franklin, Sussex... Granite Co., Montana; in Colorado, at the Wolftone mine, Leadville, Lake Co.; from the Mohawk mine, |
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